Backdoor.Ryejet.B

Backdoor.Ryejet.B is a back door Trojan horse that allows unauthorized remote access to a compromised computer.

The Trojan is installed as a Browser Helper Object, and may be distributed embedded in a malformed .mdb file that exploits the Microsoft Jet Database Engine Malformed Database File Buffer Overflow Vulnerability (BID 12960).

Protection

• Initial Rapid Release version April 22, 2005
• Latest Rapid Release version January 20, 2009 revision 039
• Initial Daily Certified version April 22, 2005
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date April 27, 2005

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

• Wild Level: Low
• Number of Infections: 0 - 49
• Number of Sites: 0 - 2
• Geographical Distribution: Low
• Threat Containment: Easy
• Removal: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Low